December 2010: Lola Alejandra Garrido, first daughter and second child of Princess Sarah bint Assem of Jordan and Alejandro Garrido.

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January:
2 January: Princess Muneerah of Brunei, second child and first daughter of Crown Prince Billah and Princess Sarah of Brunei, née Rahaman. TOPIC
8 January: Prince Vincent and Princess Josephine of Denmark, third and fourth children and second son and second daughter of Crown Prince Frederik and Crown Princess Mary of Denmark, née Donaldson. TOPIC
15 January: Princess Nicolaia of Auersperg-Breunner, third child and third daughter of Prince Johann of Auersperg-Breunner and his wife Princess Maria Phillippa, née Countess Calice.
22 January: Princess Sophia of Thurn and Taxis, second child and second daughter of Prince Alfonso and Princess Anna of Thurn and Taxis, née Countess of Trauttmansdorff-Weinsberg.
30 January: Augustin, son of Prince Anton Clemens von Croy and of an woman whose name is unknown.

February:
2 February: Prince Balthasar of Auersperg-Breunner, second son and second child together of Prince Alexander and Princess Elisabeth of Auersperg-Breunner, née Flick.
12 February: Archduke Luigi of Austria, fourth child and third son of Archduke Martin and Archduchess Katharina of Austria, née Princess of Isenburg.
25 February: Paola ten Cate, second child and second daughter of Princess Margarita de Bourbon de Parma and Tjalling ten Cate.
February: Count Martin of Habsburg, third son and fourth child of Archduke Mattias and of Austria, Prince of Tuscany, and Countess Eva of Habsburg, née Anderle.

May
05 May: Countess Katharina and Countess Johanna of Stolberg-Stolberg, first and second child of Count Nicolas and Countess Susannah of Stolberg-stolberg, née Handtke.
24 May: Prince Amedeo of Savoy-Aosta, second son of Prince Aimone of Savoy-Aosta, Duke of Apulia and his wife Princess Olga, née Princess of Greece. TOPIC
30 May: Alvaro Gomez Acebo, third child and third son of Bruno en Barbaro Gomez Acebo, née Cano y de la Plaza.

June:
8 June: Eudes and Valentina de Orléans e Bragança, first and second child and first son and first daughter of Don Eudes en Dona Patricia de Orléans e Bragança, née Landau.
10 June: Béatrice and Raphaëlle de Quelen, second and third child and second and third daughter of Count Olivier and Countess Hedwig de Quelen, née Princess of Liechtenstein.
15 June: Prince Alfred of Auersperg, first child of Prince Alexander and Princess Emma of Auersperg, née Feilden.
21 June: Sheikh Hamdan bin Mansour bin Zayed bin Sultan Al Nahyan of Abu Dhabi, third child together and second son together of Sheikh Mansour bin Zayed bin Sultan Al Nahyan of Abu Dhabi and his second wife, née Sheikha Manal bint Mohammed bin Rachid Al Maktoum of Dubai.

July:
10 July: Princess Philomena of Schaumburg-Lippe, second daughter and second child together of Fürst Alexander and Fürstin Nadja of Schaumburg-Lippe, née Zsoeks.
26 July: Princess Iryana Leila Pahlavi of Iran: first daughter and only child of the late Prince Ali Reza Pahlavi of Iran and his fiancée, Ms. Raha Didevar.
29 July: Levon Khanna, first son and first child of Princess Michelle Lobkowicz and Vish Khanna.
July: Prince Richard Ssemakookiro van Uganda, child of Kabaka (= King) Ronald Muwenda Mutebi of Uganda and a woman from the Enseneene (grasshopper) clan. (second son and fifth child of the King)

August:
03 August: Prince Joseph of Caraman-Chimay, first son and second child of Prince Charles Joseph and Princess Amicie Caraman-Chimay, née Countess of Ursel.
03 August: Count Alexander of Toerring-Jettenbach, second child and second son of Count Carl-Theodor and Countes Natalia of Toerring-Jettenbach, née Ivanova.
05 August: Princess Nazira Safya of Perak, first daughter and second child of the Crown Prince and Princess of Perak, Raja Dr Nazrin Shah and Tuanku Zara Salim, née Davidson.

September:
16 September: Princess Frida of Saxony, second daughter of Prince Arne and Princess Sara of Saxony, née Schneider.
22 September: Prince Karl Egon of Fürstenberg, first child of Prince Antonius and Princess Mathilde of Fürstenberg, née Countess Borromeo.
27 September: Prince Giorgi Bagration Bagrationi of Georgia, first son and first child together (3rd for the Princess) of Prince David Bagrationi-Mukhranel of Georgia and Princess Anna Bagrationi-Gruzinsky of Georgia.
27 September: Princess Salome of Oettingen-Oettingen and Oettingen-Wallerstein, second daughter and second child of Prince Friedrich and Princess Isabella of Oettingen-Oettingen and Oettingen-Wallerstein, née Bonelli.

Oktober:
9 October: Princess Lalla .. of Morocco, first daughter and second child of Prince Moulay Ismaël and Lalla Anissa of Morocco, née Lehmkuhl.
17 October: Princess Masamba Nkwanzi of Bunyoro-Kitara, first daughter together and second child together of Omukama (= King) Solomon Gafabusa Iguru and Omugo (=Queen) Margaret Karunga of Bunyoro-Kitara.
21 October: Countess Xenia Coudenhove-Kalergi, first child of Count Dominik and Countess Adélheid Coudenhove-Kalergi, née Princess of Liechtenstein.
October: Maximilian Tessmar-Pfohl, first son and fourth child of Countess Theresa of Stolberg-Stolberg and Alexander Tessmar-Pfohl.

Prince Alexander von Auersperg-Breunner and his wife Elisabeth, née Flick had their second son and second child together Balthasar on February 2nd 2011.
A brother for Aloysius (2006)
A halfbrother for Emilia, from Elisabeth's first marriage.

According to Guy Stair Sainty at The Franco-Iberian Royals Message Board, the Duchess of Noto gave birth to a daughter yesterday, 7 April 2011, in Madrid. They were already parents to sons Jaime, Juan, Pablo and Pedro, and daughter, Sofia.

Prince Alexander von Auersperg-Breunner and his wife Elisabeth, née Flick had their second son and second child together Balthasar on February 2nd 2011.
A brother for Aloysius (2006)
A halfbrother for Emilia, from Elisabeth's first marriage.

Source: Bunte nr. 9

Also his first cousin became a father this year:Prince Johann von Auersperg-Breunner (b.1961) [son of Prince Heinrich von Auersperg-Breunner (b.1931) & his late wife, Archduchess Elisabeth of Austria (1935-1998)] & his wife, Countess Maria Phillippa Calice (b.1974) had their third child, Nicolaia Maria Ida Gobertina, in Vienna on 15 January.
A sister for Pia (3-9-2003); their middle daughter, Maria Gabriela, was born and died on 15 September 2005.

On the same site, there are also two Auersperg boys born in 2010, but became known in 2011 (the site was recently updated):

Two first cousins, living in Uruguay, became first-time fathers (of boys):
Prince Andreas von Auersperg (b.1980) [the youngest of five children of Adolf,Prince of Auersperg (b.1937) & his wife Maria de las Mercedes, nee Tournier (b.1941)] & his wife Maria Serrana,nee Pintos Pizzichillo (b.1979) had their first child, Francisco, in Paysandu on 19 May.

Prince Ferdinand von Auersperg (b.1976) [the third of five children and only son of Prince Ferdinand von Auersperg (b.1939) & his former wife Liliana, nee Faget Llovet (b.1943)] & his wife Mercedes, nee Garcia Gebelin (b.1980) had their first child, Juan Sebastian, in Montevideo, on 10 September.